Python/strings/word_occurence.py
Sarath Kaul 9a894ebc52 Word Occurence Script Added (#1576)
* Word Occurence Script Added

* Word Occurence Script Updated

* Added doctest using collections.Counter

https://docs.python.org/3/library/collections.html#collections.Counter
2019-11-17 12:57:26 +01:00

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Python

# Created by sarathkaul on 17/11/19
from collections import defaultdict
def word_occurence(sentence: str) -> dict:
"""
>>> from collections import Counter
>>> SENTENCE = "a b A b c b d b d e f e g e h e i e j e 0"
>>> occurence_dict = word_occurence(SENTENCE)
>>> all(occurence_dict[word] == count for word, count
... in Counter(SENTENCE.split()).items())
True
"""
occurence = defaultdict(int)
# Creating a dictionary containing count of each word
for word in sentence.split(" "):
occurence[word] += 1
return occurence
if __name__ == "__main__":
for word, count in word_occurence("INPUT STRING").items():
print(f"{word}: {count}")